package com.witframework.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class CharsetFilter implements Filter {
  private String encoding;

  public void init(FilterConfig config) throws ServletException {
    encoding = config.getInitParameter("requestEncoding");
    if (encoding == null)
      encoding = "UTF-8";
  }

  public void doFilter(ServletRequest request, ServletResponse response, FilterChain next)
      throws IOException, ServletException {
    request.setCharacterEncoding(encoding);
    next.doFilter(request, response);
  }

  public void destroy() {
  }
}
